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Can I take Sertraline and Trazodone together?

Drug interaction guide

Taking sertraline and trazodone together increases the risk of a rare but serious condition called serotonin syndrome. This happens when there is too much of a chemical called serotonin in your brain. You may also feel more drowsy, dizzy, or have difficulty concentrating.

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Why this happens

Both sertraline and trazodone increase the levels of serotonin in the brain. When used together, these effects add up (pharmacodynamic interaction), potentially leading to an overload. Additionally, both drugs can have a sedative effect, which is increased when they are combined.

What you should do

You should only take these two medicines together if they have been specifically prescribed by your doctor. Be aware of symptoms of serotonin syndrome, such as shivering, sweating, a very high temperature, fast heartbeat, muscle twitching, or agitation. If you experience these, seek medical help immediately. Avoid driving or using machinery until you know how this combination affects you.

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Using other medicines

Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Descargo de responsabilidad

This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.

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Historia del artículo

La información de esta página ha sido redactada y revisada por médicos cualificados.

  • 25 Enero 2026 | Publicado originalmente
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